Fears that a true federal system might lead to the break-up of Nigeria, a fear with substance after the Biafran war of secession of 1967-70, are now misplaced.

ECONOMIST: Another death has endangered hopes for civilian rule

Karadzic -- last seen in public in 1996 -- was the Bosnian Serb political leader during the 1992-1995 war that followed Bosnia-Herzegovina's secession from Yugoslavia.

CNN: 'Butcher of Bosnia' held after decade-long hunt